Hymenoptera: Bees, Wasps, and Sawflies - Alex Wild Photography
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Tremex columba

Tremex columba

The pigeon horntail Tremex columba may look like a dangerous wasp, but the long "sting" is just an egg-laying appendage. Larvae of this large sawfly feed on decaying wood. Urbana, Illinois, USA

Tremex columbaSiricidaehorntailsawflySymphytaHymenoptera